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CN108292850A - For the method and system to multiple load supplyings with current measurement value - Google Patents

For the method and system to multiple load supplyings with current measurement value Download PDF

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Publication number
CN108292850A
CN108292850A CN201680067387.XA CN201680067387A CN108292850A CN 108292850 A CN108292850 A CN 108292850A CN 201680067387 A CN201680067387 A CN 201680067387A CN 108292850 A CN108292850 A CN 108292850A
Authority
CN
China
Prior art keywords
electric power
relay
power controller
current
supply
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201680067387.XA
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Chinese (zh)
Other versions
CN108292850B (en
Inventor
陈永康
庄明沛
林景山
郭智亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pismo Labs Technology Ltd
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Pismo Labs Technology Ltd
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Publication date
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Priority to CN202110580957.8A priority Critical patent/CN113263945B/en
Priority to CN202110579498.1A priority patent/CN113263944B/en
Publication of CN108292850A publication Critical patent/CN108292850A/en
Application granted granted Critical
Publication of CN108292850B publication Critical patent/CN108292850B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60—Monitoring or controlling charging stations
    • B60L53/68—Off-site monitoring or control, e.g. remote control
    • H—ELECTRICITY
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    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
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    • B60L53/31—Charging columns specially adapted for electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • G—PHYSICS
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    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
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    • H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
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    • Y04S30/14—Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
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Abstract

The present invention is disclosed for enabling with multiple relays in deactivation system to prevent the method and system of electric power stolen and/or leaked and distribute electric power and be used to recharge electric vehicle.The system comprises supply of electric power, at least one ammeter, supply of electric power enabler and at least one electric power controllers.Required step includes to be measured to load the electric current drawn by multiple by one or more ammeters.Electric power controller independently enables or deactivates each in the multiple relay according to the instruction received.Supply of electric power enabler is based essentially on the supply of electric power that the magnitude of current just drawn by system enabled or deactivated system.

Description

For the method and system to multiple load supplyings with current measurement value
Technical field
The present invention relates to the supply of electric power technologies via one or more electric power controllers.Exactly, the present invention relates to By multiple relays are suitably controlled using electric power controller with realize electric power monitoring, data collection, relay control and Communication.
Background technology
Compared with conventional truck, the practicability of electric vehicle (electric vehicle, EV) be not dependent on for a long time with Method to refill automobile gasoline.Electric vehicle is largely dependent upon large-scale rechargeable battery.Due to than on-electric Vehicle is more environmentally friendly, and the popularization degree of electric vehicle dramatically increases, this is generated simultaneously, and there is enough supplies of electric power to be used for via current base The challenge that plinth framework recharges it.
The ever-increasing popularization degree of electric vehicle not only reinforces its demand, but also strengthens the demand for electric power.So And, it is contemplated that the limited supply of electric power at the position that current basal framework is supported especially is originally designed for use in electric power In illumination rather than the car park areas recharged to automobile, the distribution of electric power becomes more challenging.Because empty in parking lot Between it is limited, therefore, even if there are appropriate supplies of electric power, it is also possible to be fitted without the charger of electric vehicle of enough numbers.Therefore, Need that there is a kind of system distributed electric power and support charger of electric vehicle.
Invention content
According to one in embodiment, one kind by suitably controlling multiple relays using electric power controller for being opened With the method and system with multiple relays in deactivation system.The relay can be autonomous device or be embedded in equipment In, such as be embedded in charger of electric vehicle.In a variant, until have from supply of electric power enabler should be by electric power The instruction for providing multiple loads is just done so.
Exactly, the system comprises supply of electric power, at least one ammeter, supply of electric power enabler and multiple electric power Controller.First ammeter measures first magnitude of current provided by supply of electric power.Supply of electric power enabler will be carried by supply of electric power The measured value of first magnitude of current supplied is sent to remote server.By each magnitude of current drawn in the multiple load point It is not measured independently by multiple second ammeters.One or more electric power controllers will be drawn by each in the multiple load The measured value of the magnitude of current taken is sent to remote server.Remote server is then based on by each in the multiple load The measured value of the magnitude of current drawn determines drawn total electricity, and sends an instruction to electric power controller.Electric power controller Each in the multiple relay is enabled or deactivated according to the instruction received.When being related to taking according to from scheduler program When the instruction of business device provides electric power, charger of electric vehicle can be classified as scheduled charger of electric vehicle and unscheduled electricity Dynamic vehicle charger.When the magnitude of current provided by supply of electric power is more than the total amount of first threshold, supply of electric power enabler deactivates First relay is to stop the electric current just being drawn by electric power controller.Electric power controller separately deactivates multiple second relays Each in device.First relay be connected in series in respectively in supply of electric power and the multiple load each it Between.The first total electricity drawn is based on the summation by each magnitude of current drawn in the multiple load.
In the modification of the present invention, remote server is supply of electric power enabler, and by using wireless communication skill Art sends and receives instruction.
In the modification of the present invention, the purpose that remote server sends message is to investigate why provided the The reason of one magnitude of current is more than the first drawn total electricity first threshold.The scheduling journey of a part as remote server Sequence server also according to time scheduling program determine which of the multiple second relay or it is multiple should enable or deactivate, One or more of and send an instruction to the multiple electric power controller.
In the modification of the present invention, each in the multiple electric power controller independently encapsulate in the shell and With corresponding second ammeter.In the shell, and each in the multiple electric power controller is logical for third relay package It crosses enabling or deactivates the second relay and enable or deactivate third relay.
Specific implementation mode
Be described below and preferred exemplary embodiment be only provided, and be not intended to be limiting of the invention range, applicability or Configuration.In fact it is preferred to exemplary embodiment be described below will be provided for those skilled in the art implementation the present invention Preferred exemplary embodiment advantageous description.It should be understood that not departing from the present invention as illustrated in the dependent claims Spirit and scope in the case of can carry out various changes to the function of element and arrangement.
Specific detail is provided in the following description to provide a thorough understanding of embodiments.However, the technology of fields Personnel should be understood that can put into practice the embodiment without these specific details.For example, circuit can be shown with block diagram Go out in order to avoid obscuring embodiment with unnecessary details.In other cases, can show without unnecessary detail Go out well-known circuit, process, algorithm, structure and technology in order to avoid obscuring embodiment.
It shall yet further be noted that embodiment can be described as process, process is portrayed as flow chart, flow diagram, data flow diagram, structure chart Or block diagram.Although flow chart can describe the operations as progressive process, many operations can be performed in parallel or concurrently.Separately Outside, the order of operation can be rearranged.Process is terminated when its operation is completed, but can be had and be not included in figure in addition Step.Process can correspond to method, function, program (procedure), subroutine, subprogram etc..When process corresponds to function When, the termination of process corresponds to function and returns to calling function or the function of tonic chord.
Embodiment or its each section can be embodied with program instruction, described program instruction can operate on a processing unit with For executing function as described in this article and operation.Storage matchmaker can be stored in by constituting the program instruction of each embodiment In body.
Constituting the program instruction of each embodiment can be stored in storage media.In addition, as disclosed herein, term " storage media " can indicate one or more devices for storing data, comprising read-only memory (ROM), may be programmed it is read-only Memory (PROM), Erasable Programmable Read Only Memory EPROM (EPROM), random access memory (RAM), magnetic ram, magnetic core are deposited Reservoir, floppy disk, floppy disc, hard disk, tape, CD-ROM, flash memory device, storage card and/or for store information its Its machine-readable medium.Term " machine-readable medium " is including but not limited to portable or fixed-storage device, optical storage matchmaker Body, magnetic medium, memory chip or cartridge, wireless channel and it can store, accommodate or carry instructions and/or data Various other media.Machine-readable medium can realize by virtualizing, and can be virtual machine readable media, including Virtual machine readable media in example based on cloud.
As used herein term computer readable media, host storage medium, main memory or auxilary unit refer to In generation, participates in providing instruction to processing unit for any media of execution.Processing unit reads the number being written in host storage medium According to, and the data are written in secondary storage media.Therefore, even if the data being written in host storage medium are due to momentary power Failure etc. and he loses, also can be by the way that the data transfer preserved in secondary storage media to host storage medium be restored data.Meter Calculation machine readable media is only an example of machine-readable medium, and the machine-readable medium can be with carry instructions for implementation Any of method and/or technology described herein.Such media can be in many forms, including but not limited to non-volatile Property media, volatile media and transmission media.Non-volatile media includes, for example, CD or disk.Volatile media includes dynamic State memory.Transmission media includes coaxial cable, copper wire and optical fiber.Transmission media can also use the shape of sound wave or light wave Formula, such as the sound wave or light wave that are generated during radio wave and infrared data communication.
Volatile storage can be used for during execute instruction through the processing unit storage temporary variable or it is other in Between information.Non-volatile memory device or static memory can be used for storing the static information for processor and instruction, And various system configuration parameters.
It can includes multiple software modules to store media, and the software module, which may be embodied as using through the processing unit, appoints The software code what suitable types of computer instructions executes.Software code can be used as series of instructions or order or conduct Program is stored in storage media.
Various forms of computer-readable medias can be related to carrying one or more sequences of one or more instruction To processor for execution.For example, instruction can initially carry on a magnetic disk of a remote computer.Alternatively, remote computer can To load the instructions into its dynamic memory, and the system of one or more sequences to the one or more instructions of operation Send instruction.
Processing unit can be microprocessor, any group of microcontroller, digital signal processor (DSP), those devices Conjunction or any other circuit configured to process information.
Processing unit executes program instructions or code segment is for implementing the embodiment of the present invention.In addition, embodiment can be with By hardware, software, firmware, middleware, microcode, hardware description language or any combination thereof implement.When with software, firmware, in Between part or microcode when implementing, the program instruction for executing necessary task can be stored in computer-readable storage medium.Place Reason unit can be realized by virtualizing, and can be Virtual Processing Unit, and the virtual place in example based on cloud is included in Manage unit.
The embodiment of the present invention is related to implementing techniques described herein using computer system.In embodiment, originally The processing unit of invention can reside on the machine such as computer platform.According to one embodiment of present invention, herein Described technology executes one or more included in volatile memory in response to processing unit by computer system and refers to One or more sequences of order and execute.Such instruction can read volatile memory from another computer-readable media In.The execution of sequence to being instructed included in volatile memory makes processing unit execute process described herein Step.In alternative embodiments, hard-wired circuit can be combined instead of software instruction or with software instruction and using to implement this Invention.Therefore, the embodiment of the present invention is not limited to any specific combination of hardware circuit and software.
Such as the code segments such as program instruction can indicate process, function, subprogram, program, routine, subroutine, module, soft Part packet, classification, or instruct, any combinations of data structure or program statements.One code segment can be by transmitting and/or receiving Information, data, independent variable, parameter or memory content and be coupled to another code segment or hardware circuit.Information, independent variable, ginseng Number, data etc. can via transmitted comprising any suitable means such as Memory Sharing, message transmission, alternative space, network launches, Forwarding or transmitting.
Alternatively, hard-wired circuit can replace software instruction or is applied in combination with software instruction to implement to meet this hair The process of bright principle.Therefore, the embodiment for meeting the principle of the present invention is not limited to any specific of hardware circuit and software Combination.
The network interface that can be provided by node is Ethernet interface, Frame Relay Interface, optical fiber interface, cable interface, DSL Interface, token ring interface, serial bus interface, universal serial bus (USB) interface, fire-wire interfaces, peripheral component interconnection (PCI) Interface etc..
Network interface can be implemented by independent electronic building brick or can be integrated with other electronic building bricks.According to It sets, network interface can not have network connection or have at least one network connection.Network interface can be Ethernet interface, It is Frame Relay Interface, optical fiber interface, cable interface, digital subscriber line (DSL) interface, token ring interface, serial bus interface, general Universal serial bus (USB) interface, fire-wire interfaces, peripheral component interconnection (PCI) interface, cellular network interface etc..
Network interface may be coupled to wired or wireless access network.Access network can carry one or more network associations Discuss data.Cable access network can use Ethernet, optical fiber, cable, DSL, frame relay, token ring, universal serial bus, USB, Firewire, PCI can transmit any material of information to implement.Radio Access Network can use infrared, high-speed packet access (HSPA), HSPA+, long term evolution (LTE), WiMax, General Packet Radio Service (GPRS), global system for mobile communications (GSM), Enhanced Data rates for GSM Evolution (EDGE), CDMA (CDMA), WiFi, CDMA2000, wideband CDMA (WCDMA), Time Division-Code Division Multiple Access (TD-SCDMA), bluetooth, WiBRO, Evolution-Data Optimized (EV-DO)；Digital Enhanced Cordless Telecommunications (DECT)；Number Word AMPS (IS-136/TDMA)；Integrated digital enhanced (iDEN) or any other wireless technology are implemented.For example, network connects Mouth may be used as LAN (LAN) interface or wide area network (WAN) interface.
Term " relay " disclosed herein indicates electrically operated switch, depends on position or the state of switch, allows Electric current flowing in load (for example, load 102a-102f).Relay can be solid-state relay (SSR), mechanical relay, Electromechanical relay (EMR) or in its output element use power MOSFET SSR, such as MOSFET relay, optical relay, PhotoMOS relay, light MOS switch, light DMOS-FET relays etc..Relay can be SPST (single-pole single-throw(SPST), SPDT (hilted broadswords Double-throw), the single and double channel solid-state relay in DPST (double-pole single-throw (D.P.S.T.)) and DPDT (double-pole double throw) combinations, wherein current rating Value is from beginning to end from 1.1mA to 500A and insulation voltage is from 200V to 5000V.However, relay can be by with enlarge-effect And " control " larger voltage and current, because the small voltage for being applied to the coil of relay can cause contact to switch big voltage.
As disclosed herein, term " data communication module (DCM) " can indicate that 3G, GPRS or GPS module is used to pass through The transceiver module of network capabilities is provided from electric wire or via Ethernet cable to electric power controller or electric power controller server. DCM allows processing unit to obtain user information, and the communication port of DCM can be via electric wire or by using serial bus or ether Net is wirelessly connected to personal computer or other electric power controllers or Electric control using 2G/3G/4G or LTE technologies Device server (PCS).DCM can be used as need electric power controller and the intelligent apparatus such as host and/or server it The network interface of the application of data sharing.
DCM can be optic data communication systems；Optoelectric transceiver module may include the light source such as laser and such as The optical receivers such as photodiode, and also may include driver associated with laser and photodiode and receiver electricity Road.It, will be in fiber optic cables plug to mould port in the block to use this optoelectric transceiver module.This module also includes that can be coupled to The electric contact piece of external electronic system.
Embodiment or part thereof may be embodied in computer data signal, and any conjunction can be used in the computer data signal Suitable form be used for via transmission media communicate so that its for it is readable for by functional device (for example, processing unit) execute from And execute operation described herein.Computer data signal can include can via transmission media propagate any two into Digital electronic signal processed, the transmission media such as electronic network channels, optical fiber, air, electromagnetism media, radio frequency (RF) link Deng, therefore the form of electric signal, optical signal, radio frequency or other wireless communication signals etc. may be used in data-signal.In certain realities Apply in example, code segment can be downloaded via computer network, the computer network for example internet, intranet, LAN, Metropolitan Area Network (MAN) (MAN), wide area network (WAN), Public Switched Telephone Network (PSTN), satellite communication system, cable emission system and/or Its fellow.
Fig. 6 A are the flow charts for the process for illustrating multiple embodiments according to the present invention.In this embodiment, work as relay Scheduled is when being activated and when there is appropriate electric current, and relay is enabled to provide power to corresponding to the negative of relay It carries.Embodiment in order to better understand, in conjunction with Fig. 6 A from the point of view of Figure 1A.In an example, load 102a-102f is electric vehicle (EV) charger.This embodiment determines scheduling charger of electric vehicle to be provided for the electric power for electric vehicle charging.Cause It may be not enough to be each electric vehicle charging simultaneously for available electricity, so electric power controller 101 is opened based on many criterion Be connected to the relay of charger of electric vehicle using by scheduled mode as electric vehicle charging so that some electric vehicles are first First it is electrically charged, and some electric vehicles are electrically charged later.Being also possible to some electric vehicles may fill due to being scheduled to electric vehicle Insufficient time quantum of electric appliance, security reason, time and electric power competition and other electric vehicles and underfill is electric.
The decision made by processing unit 106, which is based primarily upon, to be stored in secondary storage media 105 and host storage medium 107 Instruction code and data.Host storage medium 307a and 367 is identical as host storage medium 107, and secondary storage media 305a and 365 is identical as secondary storage media 105.In a variant, when the data being stored in host storage medium are due to momentary power Failure etc. and he when loses, can be by the way that the data transfer preserved in secondary storage media to host storage medium be restored data.Place It manages unit 106 and retrieves the current measurement value from ammeter 130 via data/address bus 108.Processing unit 106 is via data/address bus 108 control relay 103a-103f.In a variant, other connections can be used to control relay 103a- for processing unit 103f and do not use data/address bus 108.Electric wire 109,120,219,911,912,911a, 912a, 911b, 912b, 485b, 486b, 932b etc. carry electric current, may include any kind of electric conductor, such as high power conductor, feeder, transformer winding Deng.Data/address bus 108,308a, 369 are respectively by processing unit 106,306a and 366, secondary storage media 105,305a and 365 And multiple relays are shared, wherein processing unit 106,306a and 366 provide special signal to promote data/address bus shared. In a variant, the multiple relay is connected to processing unit 106 via the data connection of its own so that described more A relay is not attached to data/address bus.
In step 601, process starts, wherein 101 creation time scheduler program of electric power controller.When having countless establishment Between scheduler program mode.For example, time scheduling program is created by the administrator of electric power controller 101.In another example In, time scheduling program is retrieved by electric power controller 101 from user input interface.In another example, time scheduling program by Electric power controller 101 is retrieved from distance host.In another example, electric power controller 101 and such as smart phone and on knee The mobile hosts such as computer connect, to receive input from user and then be inputted and creation time scheduler program based on user.When Between scheduler program can update periodically or at any time.
It is positive to monitor the time at step 602.According to the time gap in time scheduling program, when time and specific time When matching, step 603 will be executed.If time and specific time simultaneously mismatch, step 603 will not be executed.For example, If one in time gap is afternoon 2:00 and the time be afternoon 2:00, then step 603 will be executed then.In another reality In example, if one in time gap is afternoon 2:00 to afternoon 2:10 and the time be afternoon 2:05, then will also execute step Rapid 603.
At step 603, the total electricity just drawn by electric power controller 101 is monitored.By such as electric currents such as ammeter 130 Table executes current surveillance.Type depending on the electric current provided, ammeter 130 can be AC ammeters or DC electric current table.Electricity The purpose of flow table 130 is to measure input current, and the input current is the total electricity just drawn by electric power controller 101 Amount.With electric power controller 101 by electric power distribution to load 102a-102f, the total electricity just drawn by electric power controller 101 Equal to or more than the total electricity just drawn by loading 102a-102f, because electric power controller 101 also consumes electric power.Preferably It is that electric power controller 101 ensures the total electricity just drawn in its controllable limitation.If drawing excessive electric current, It would be possible that causing danger.
At step 604, electric power controller 101 identifies whether to deactivate zero in relay 103a-103f, one It is a, multiple or whole.If deactivated relay, will keep deactivating.At step 605, electric power controller 101 stops With identified relay.Criterion to determination needs which relay deactivated.The criterion includes：The arrival of scheduling time, Electric current is no longer drawn in load, excessive electric current, insufficient electric current, electric current rebalancing, the decision of administrator, user have been drawn in load Decision, validation fault, environmental factor etc..
Fig. 8 illustrates the lattice for the time scheduling program for being created or being received by electric power controller 101 in embodiment one One in formula.It can be in numerical digit, number, character string, text and the format on date to be stored in information in time scheduling program, and It can be stored in that storage media in secondary storage media local or electric power controller server are long-range or the storage media of server In long-range database or file.Time scheduling program contains the sky of multiple times for processing unit enabling and deactivated relay Gap.For example, time scheduling program includes identity row 804, time row 801, user's row 802, priority row 803 and load row 810.Identity row 804 include the unique identities of row；Time row 801 include multiple time gaps 804；User's row 802 include multiple User gap 805；Priority row 803 include multiple priority gaps 806；And load row 810 include the negative of electric power to be received The identity of load.Time gap 804 is used to indicate time cycle or the initial time that electric power should be provided to load.The time cycle It can be inputted by the administrator of electric power controller 101 or by user.For example, the user with identity " John123 " can be most High priority asks at 10 points in the morning on January 1st, 2015 to 12 points of time cycle of afternoon for load 102a.Therefore, " 2015 January 1,10:00-12:00 " is stored in time gap 804a；" John123 " is stored in the 805a of user gap；“102a” It is stored at load gap 807a；And " highest priority " is stored in the 806a of priority gap.In another example, have The user of identity " martin101 " may need per week one 14:00 and 15:It is (real herein for his electric vehicle between 00 Its in example is load) charging, priority and identity load are not specified.Therefore " per week one, 14:00-15:00 " is stored in the time In the 804d of gap；" martin101 " is stored at the 805d of user gap and " not specified " is stored in priority gap 806d and bears It carries in the 807d of gap.When arrival scheduling time (i.e. per week 1:00-15:00) when, if there is enough electric power, " martin101 " can receive electric power at the places any of load 102a-102f.Have no the time, user identity, priority and The format of load identity and database structure must comply with the limitation of the example illustrated in time scheduling program 800.As long as electric power Controller 101 can be dependent on the information that is stored in time scheduling program to determine when to provide electric power by enabling relay To load, any format and database structure are all acceptable.
In another example, the user with the identity " bigboss " in the 805e of user gap is with priority gap Highest priority in 806e receives electric power with any time indicated in such as time gap 804e.When user has verified that it certainly When body and instruction which load to be used, electric power controller 101 will deactivate the relay of other loads so as to will just if necessary The total electricity drawn be reduced to first threshold hereinafter, and then enable user " bigboss " indicate load relay.
In step 606, when input current is more than first threshold, electric power controller 101 will not enable at step 607 Any additional relay is so as not to increasing the drawn magnitude of current.If input current is less than first threshold, electric power controller 101 will enable additional relay and this at step 608 may increase the drawn magnitude of current.If the value of first threshold is set It is excessively high, it would be possible that draw excessive electric current and lead to danger, such as fire hazard.If the mistake of the value setting of first threshold It is low, then electric power cannot be provided to many loads and may be decreased the business effect of electric power controller 101.It is recommended that by first threshold It is set as being no more than the 80-95% that may lead to the dangerous magnitude of current.
At step 608, electric power controller 101 determines relay to be enabled.Electric power controller 101 can be based on a standard Then or multiple criteria determines.For example, electric power controller 101 is determined according to time scheduling program enables one or more relays Device.Enable the relay with highest priority in time scheduling program.Therefore, the load for being connected to relay can receive electricity Power.Priority can be based on the time.For example, if relay 103a have highest priority, enable it is other after It is activated before electric appliance.Electric power then can provide load 102a, i.e., scheduled charger of electric vehicle.In a modification In, priority can be based on multiple parameters, such as the time, payment, user identity, estimated electric current to be drawn and administrator certainly Plan.
In a variant, even if not yet reaching the scheduling time for enabling relay, electric power controller at step 602 101 can also enable relay.For example, after enabling relay 103a at step 608, step 602 and 603, electricity are executed Force controller 101 will be determined whether to enable the full charge flow of any of relay 103b-103f.If it find that One full charge flow being useful in relay 103b-103f, then electric power controller 101 will enable at step 608 The relay is used to supply electrical power load associated with user 805d, although being directed to the scheduling time of user 805d not yet Start.
For example, electric power controller 101 can be opened according to time scheduling program and estimated additional electric flow to be drawn Use relay.For purposes of illustration, relay 103b is the relay that should be enabled according to time scheduling program.If relay 103b is enabled, then load 102b can start to draw electric current.The magnitude of current drawn by 102b adds the total electricity just drawn It may excessively and therefore lead to danger.In the case, though relay 103b it is scheduled for enable if should not enable relay 103b.Therefore, wait for that the prospective current amount drawn by load determines which relay can be connected very for auxiliary power controller 101 It is important.In the total electricity just drawn plus estimated extracurrent to be drawn after enabled relay 103b still in safety It, can be according to scheduled enabling relay 103b in the case of in threshold value.
It is possible that after enabling additional relay at step 608, being connected to the load of additional relay can draw centainly The electric current of amount is so that the total electricity just drawn is increased above the level of first threshold.This may be undesirable, because just The total electricity drawn, which may have increased to, can lead to dangerous level.It is preferred, therefore, that should only be enabled at step 608 The relay of the load of excessive electric current will not be drawn.In a variant, the value of first threshold is set as being relatively low a level Even if to enable relay, wait for that the additional electric flow drawn by the load for being connected to the relay will not cause just drawing Total electricity be more than secure threshold.
At step 607, because the total electricity just drawn is higher than first threshold, even if it is to enable to have scheduled Relay is also enabled without additional relay.It for example, will not for receiving the scheduled charger of electric vehicle of electric power Receive electric power or the electric current of abundance.This is just drawing the probability of excessive electric current by electric power controller 101 is reduced.
After executing step 607 and 608, step 602 and 603 is executed.There is no steps 602 and 603 to hold successively Capable limitation.Step 602 and both 603 can simultaneously or backward executes.Because the input current at step 603 place can be measured by ampere Amount and ampere meter to the processing unit of electric power controller 101 report input current amount information, so processing unit can it is in office when Between receive input current amount information.Similarly, because electric power controller 101 can have internal clocking to monitor the time, when Between information can at any time be received by processing unit.It therefore, can when step 606 place input current is not higher than first threshold Step 608 is then executed, without waiting for scheduling time according to time scheduling program.
It is possible that after executing step 608, the amount of input current is still below first threshold.It in the case, can be by electricity Force controller 101 enables one or more relays to allow to provide power to one or more loads.In addition, even if opening With corresponding relay, one or more load can also stop drawing electric current.This can lead to the reduction of input current amount.
Many levels of priority may be present and determine which is (a little) negative to provide flexibility to user and electric power controller 101 The higher priority for receiving electric power should be had by being loaded in specific time.For example, it is marked with the time gap of " highest priority " It will be with the highest priority in institute's having time gap.In an example, more money is paid for the time gap User will have higher priority.In another example, always the user of most frequently used electric power controller will have it is higher Priority.
In an example, when two users have for same time reservation for receive electric power equal priority but When electric power controller 101 only can provide electric power to a load, electric power controller 101 will be corresponded to his/her is arrived first at The load of the user of load provides electric power.In a variant, need the load of the user of less usage time that will be carried first For electric power.For example, scheduled charger of electric vehicle (loading) needs the electric vehicle of less time by first Charging.Other electric vehicles will charge after the first electric vehicle has been filled with electricity.In a variant, for receiving electric power Time will comparably divide.
For purposes of illustration, the user of load 102b, 102c and 102d all preengages the morning 10:00 to afternoon 1:00 it Between same time gap for receiving electric power.However, when arrived scheduling time, electric power controller 101 has determined that it only Electric power can be provided to one in load 102b, 102c and 102d, because one in enabling relay 103b, 130c and 103d The total electricity just drawn after a will be above first threshold.Then, electric power controller 101 will be by arranging according to user respectively The user identity of 802 three gaps and respectively load row 810 three gaps load 102b, 102c and 102d Addition has time gap " 10 at time row 801:00-11:00”、“11:00-12:00 " and " 12:00-13:Three of 00 " Row carrys out modification time scheduler program 800.Therefore, load 102b, 102c and 102d can comparably receive one hour electric power.
In one in an embodiment of the present invention, assigned on each user gaps such as 805a to 805d etc. preferential Grade.Priority is stored in priority gap 803 for each user respectively.Priority can be assigned by administrator or can be by user It defines.For example, administrator, which can define such as users such as " John123 " 805a, has highest priority, and for example Another user 805b such as " Alex123 " has time high priority.Processing unit will determine which user has highest priority, and Relay associated with the user will be enabled according to time scheduling program.
In a variant, as illustrated by Fig. 6 B, if being just higher than second by the total electricity that electric power controller 101 is drawn Threshold value, then by deactivated one or more relays to reduce the total electricity just drawn.Compared with Fig. 6 A, step is added 611.The purpose of second threshold mainly due to security reason to avoid drawing excessive total electricity.Second threshold should be higher than that first Threshold value；Or one or more relays can continuous bifurcation triggering.In order to illustrate why second threshold should be higher than that first threshold, the One threshold value and second threshold can be set to 20 amperes and 15 amperes.When the total electricity just drawn be higher than 15 ampere-hours, Step 612 place deactivates relay.Total electricity can be fallen below second threshold by this.Then, electric power controller 101 allows Step 608 is executed after step 606.After enabling relay, the total electricity just drawn could possibly be higher than 15 amperes, because right The load for the relay that Ying Yu has just been enabled can start to draw electric current.Then, step 605 is executed again, because that just draws is total The magnitude of current becomes again above second threshold.Therefore, in order to reduce the probability of continuous bifurcation triggering one or more relay, the Two threshold values are preferably higher than first threshold.Preferably, the value of first threshold should be set to a certain value so that connect relay it Afterwards, just should not result in by the extracurrent drawn corresponding to the load of relay the total electricity just drawn be more than second threshold with Avoid continuous bifurcation triggering.
Preferably, the total electricity that deactivating causes just drawing is less than the relay of second threshold.If in deactivated relay The total electricity just drawn that step 603 place measures later is still above second threshold, then step 605 will be then executed again, And then by deactivated one or more additional relays until the total electricity just drawn is less than second threshold.
Figure 1B illustrate according to an embodiment of the invention in one.Process illustrated in Fig. 6 A and Fig. 6 B is in this embodiment In it is applicable.Difference between Figure 1A and the embodiment of Figure 1B is to be connected to the relay of load existing not to be contained in Electric control In device 101, but outside electric power controller 101.With the relay 113a-113f not being contained in electric power controller 101 Benefit include to allow to install at different locations from electric power controller 101 by relay 113a-113f.For example, electric power Controller 101 is located at data room, and relay is located at the different piece in parking lot.Electric power controller 101 and relay 113a- Data communication between 113f is available such as the connection of the electric wire of no communication protocol, Ethernet, Wi-Fi, RS-232 and RS-485 Wire communication or wireless communication are implemented.The selection of relay 113a-113f may differ from relay 103a-113f, because of relay Device 103a-103f is in the closer short range of data/address bus 108.
Ammeter 130 is connected to relay 113a-113f via electric wire 120.When load 102a-102f is just via corresponding When relay 113a-113f draws electric current, ammeter 130 can measure the total electricity just drawn.Electric wire 120 may be very It is long, tens of to hundreds of meters, to be connected to all relay 113a-113f.
Fig. 2 illustrate according to an embodiment of the invention in one.Process illustrated in Fig. 6 A and Fig. 6 B is in this embodiment In it is applicable.A difference between Figure 1A and the embodiment of Fig. 2 is ammeter 230a-230f.With only rely upon ammeter 130 It measures the total electricity just drawn to compare, ammeter 230a-230f allows PCS 201 substantially to know just to be drawn by certain loads The magnitude of current.For example, when load 102a just draws electric current, ammeter 230a can measure the electricity just drawn by loading 102a Flow.This aids in determining whether the relay for waiting enabling or deactivating at step 605 and 608 respectively.
In order to measure electric current, ammeter 230a-230f is connected in series in relay 103a-103f and ammeter 130 respectively Between.This is different from the connection in Figure 1A and figure IB, and ammeter 130 is connected in Figure 1A and figure IB repeat circuits 103a-103f Without passing through ammeter 230a-230f.The current value measured by ammeter 230a-230f is reported to processing unit 106.Ammeter 230 can be connected to processing unit via data/address bus, RS 232, USB, GPIO and other common interfaces.In a variant, electric Flow table 230a-230f is connected to interface via multiplexer and ammeter 230a-230f is made to be not directly connected to processing list Member 106 and so that saving wiring space and interface.When retrieving current measurement value from one in ammeter 230a-230f, place Reason unit 106 can control multiplexer by sending signal to multiplexer, for example draw high or drag down multiplexing The input of device.
In a variant, ammeter 130 can be omitted from Fig. 2 embodiment described.It is measured by ammeter 230a-230f The summation of electric current should be slightly less than the electric current measured by ammeter 130 or roughly the same therewith because via electric power controller Most of electric currents of 201 supplies are for loading 102a-102f.
Fig. 6 C illustrate one in the embodiment of the present invention.Process illustrated in Fig. 6 C should be seen in conjunction with Fig. 2.In step All relay 103a-103f are enabled at 630.At step 631, creation time scheduler program.Then, at step 633 just By ammeter 230a-230f standby currents.At step 634, whether determination is exceeded to anticipate by any magnitude of current that ammeter measures Material ground is more than expected threshold value, and if it is then corresponding relay will be deactivated at step 635.It is expected that threshold value is based on being No once to provide more electric power to load, this is specified by time scheduling program.The time of step 632 place monitoring is used for Processing unit 106 according to time scheduling program to determine expected threshold value.For purposes of illustration, unscheduled to provide when loading When electric power comes to electric vehicle charging, it is contemplated that threshold value is 0.2A for load 102a-102f.It is scheduled to provide electric power when loading Come for electric vehicle charging when, it is contemplated that threshold value becomes 30A.In an example, when warp not to be charged at load 102a When dispatching electric vehicle, the expection threshold value of ammeter 230a is 0.2A.However, if the electric current that ammeter 230a reports measure is About 2A, then this situation is more than expected threshold value.Therefore, processing unit 106 provides deactivated relay 103a to load to cut off The electric power of 102a.This is the precautionary measures for safety and safety purpose.After a certain period of time, in step 636 Place enables relay 103a to provide power to load 102a again.If ammeter 230a still reports the magnitude of current measured and is more than It is expected that threshold value, then relay 103a will be deactivated again.In another example, it is charging when having at load 102b scheduled When electric vehicle, the expection threshold value of ammeter 230a is 30A.If the electric current that ammeter 230b reports measure is about 35A, This situation is more than expected threshold value.Therefore, processing unit 106 provides deactivated relay 103b to the electricity for loading 102b to cut off Power.After a certain period of time, relay 103a is enabled again at step 636 to provide power to load 102b.If Ammeter 230b still reports that the magnitude of current measured is more than expected threshold value, then relay 103b will be deactivated again.In an example In, unscheduled charger of electric vehicle (it is load 102c) will not provide electric power for being electric vehicle charging, but use It attempts at load 102c as his electric vehicle charging at family.Then, the magnitude of current just drawn becomes more than prospective current 0.2A. Therefore, processing unit 106 is by deactivated relay 103c.
Process illustrated in Fig. 6 C allows that different maximum current flows is supplied to load in different situations.This is provided More flexible scheme for providing power to load.Even if no electric vehicle it is scheduled to be electrically charged when, allow to be supplied to A small amount of electric current of load 102a-102f also enables electronic device, for example, charger of electric vehicle, processing unit, sensor and/or Camera.This allows the ambient enviroment via electronic device monitors charger of electric vehicle.With to the electricity needed for electric vehicle charging Flow is compared, these electronic devices will need the less magnitude of current.
Fig. 3 A and 3B illustrate according to an embodiment of the invention together in one.Electric power controller 301 performs similarly to electricity The function of force controller 101, and include respectively relay and ammeter.Embodiment illustrated in fig. 1 depends on an electric power Controller loaded supply of electric power and all relays of control to control, and the embodiment that Fig. 3 A and 3B illustrate has one A electric power controller is used to supply electrical power to control a relay to a load.Different from embodiment illustrated in fig. 1, Whether electric power controller 301a-301f is not individually determined enables and deactivates its corresponding relay 303, electric power controller 301a- 301f is communicated before enabling or deactivating its corresponding relay with electric power controller server (PCS) 310.Fig. 3 B illustrate electric power control The framework of device 301a processed.Processing unit 306a executes the similar functions of processing unit 106, but only controls a relay, i.e., after Electric appliance 303a.Ammeter 330a measurements are supplied to the magnitude of current of load 302a, and report the magnitude of current to processing unit 306a. This embodiment allows that electric power controller 301 is positioned to closer to load 302 respectively.In addition, compared with the embodiment of Figure 1A, Can more easily operate because each in electric power controller 301 individually can install and be removed without influence it is other Electric power controller.For example, electric power controller 301a can be moved to another location from a position, without turning off PCS 310 With electric power controller 301b-301f.In addition, in an example, the electric power controller 301 of the number can be mounted on step by step In parking lot, rather than all electric power controllers are installed simultaneously.Compared with electric power controller 101, electric power controller 101 is by institute The number of the relay of receiving and limitation by its magnitude of current with the number of loads that may be connected to.However, PCS 310 Do not need to relay because electric power controller 301 accommodate the relay and be supplied to load 302 electric current it is obstructed Cross PCS 310.
Data communication module 304a is executed in a manner of different from data communication module 104, although same hardware can be used To realize the function of data communication module 104 and 304a.Data communication module 304a is mainly responsible for be communicated with PCS 310.Such as figure Data communication module 364 illustrated in 3C is identical as the data communication module 304a of Fig. 3 B.Therefore, processing unit 306a can be through The instruction control relay 303a received from PCS 310 is based essentially on by data communication module 304a.In addition, by ammeter The electric current that 330a is measured can also be reported by processing unit 306a via data communication module 304a.In a variant, electric power control Device 301a processed is communicated via data communication module 304a with other electric power controllers, without the use of PCS 310.This permissible electric power Controller 301a determines the total electricity for being just drawn into electric power controller 301a-301f when PCS 310 breaks down. Electric power controller 301a-301f, which can be in communication with each other, should be enabled and be deactivated which of relay 303a-303f with determination.Just draw The total electricity taken should be less than threshold value so that will not lead to danger.
There is no electric power controller 301a-301f must identical limitation.It can be by same manufacturer or different manufacturers Manufacture.It is important, however, that electric power controller 301a-301f can communicate with one another so which relay determination should switch on and off Device, while the total electricity just drawn being maintained in secure threshold.
Process illustrated in Fig. 6 A is also suitable Fig. 3 A.Different from the electric power controller 101 in Figure 1A, in Fig. 6 A Process can together be executed by electric power controller 301a-301f and PCS 310.Time scheduling program at 601 is by PCS's 310 Manage unit retrieval.PCS 310 then sends an instruction to electric power controller 301a- based on the information in time scheduling program 301f.Step 602 can be executed by each in PCS 310 or electric power controller 301a-301f.For example, as PCS 310 When executing step 602, one or more electric power controller 301a-301f are sent an instruction to based on the time.In another example In, time scheduling program is sent to electric power controller 301a, and electric power controller via PCS 310 after step 601 Step 602 is executed separately in 301a.At step 603, for example, the electric power controllers such as processing unit 306a 301 processing unit from One or more ammeters (such as ammeter 330a) receive current measurement value, and survey electric current via data communication module 304a Magnitude is sent to PCS 310.Based on the electric current measured at each in time scheduling program and electric power controller 301, PCS 310 can determine at step 604 and wait for deactivated relay.The instruction of deactivated relay is then sent to and is waited for by PCS 310 The associated electric power controller of deactivated relay 301.The processing unit of corresponding electric power controller 301 is then at step 605 Deactivate relay.
At step 606, when input current is more than first threshold, PCS 310 will not enable any volume at step 607 Outer relay is so as not to can increase drawn electric current.If input current is less than first threshold, PCS 310 waits for determination The additional relay enabled, and send an instruction to electric power controller associated with the additional relay.For example, base In time scheduling program, electric power will be provided to load 302d.Therefore, PCS 310 will enable electric power controller at step 608 The instruction of the relay of 301d is sent to electric power controller 301d.Electric power controller 301d is received via data communication module 304d Described instruction.
It is used by the electric power controller 101 in Figure 1A to determine that the one or more criterion for waiting enabling which relay may be used also It is used by PCS 310.
After executing step 607 and 608, step 602 and 603 is executed.By the electricity of corresponding electric power controller 301a-301f The electric current that flow table measures preferably periodically is sent to PCS 310.This allows PCS 310 that there is updated current measurement value to believe It ceases for determining the additional electric flow that can provide load while considering first threshold.In a variant, when electric power control The processing unit of device processed, which is identified by the magnitude of current that its corresponding ammeter measures, has unexpected unexpected increase or more than spy When determining threshold value, processing unit reports current measurement value to PCS 310.This allows PCS to calculate the newer total electricity just drawn To prevent danger.
It is possible that after executing step 608, the amount of input current is still below first threshold.It in the case, can be by electricity Force controller 301 further enables one or more relays to allow to provide power to one or more loads.In addition, Even if enabling can stop drawing electric current if corresponding relay is one or more to be loaded.This can lead to the reduction of input current amount.
As demonstrated, the process illustrated in Fig. 6 A could be applicable to the embodiment illustrated in Fig. 3 A.It is described in Fig. 6 B Bright process could be applicable to the embodiment illustrated in Fig. 3 A.
Fig. 4 A-4D illustrate four practical circuits for implementing electric power controller (such as electric power controller 101,201 and 301). Processing unit, host storage medium, secondary storage media, data communication module are grouped together and are read in Fig. 4 A-4D It reads and illustrates to be processing module 402.Electric power controller 401,421,441 and 461 respectively accommodates processing module 402.Electric power supplies 411,431,451 and 481 are answered to provide power to electric power controller 401,421,441 and 461 and corresponding processing module 402.Grounding connection 412,432,452 and 482 is the ground for being respectively used to electric power controller 401,421,441 and 461.It is supplied to The type of the electric current of processing module 402 is direct current.In the feelings that the current type of electric power 411,431,451 and 481 is alternating current Under condition, need converter that alternating current is converted to direct current.
Supply of electric power 413,433,451 and 481 for providing power to load 406,426a, 426b, 446 and respectively 466.Because load 406,426a, 426b, 446 and 466 can be electric vehicle, lamp, battery pack, household electrical appliance and any other Electronic device, thus the administrator of electric power controller 401,421,441 and 461 or user need based on load 406,426a, The type of 426b, 446 and 466 determines to use alternating current or direct current.Ground 414,434,452 and 482, which provides, is used for electric power 413,433,453 and 483 return path.There are two parts of electricity for each in electric power controller 401,421,441 and 461 The purpose of power is because different voltages and current type can be needed by providing to processing module and the electric power of load.It is possible that existing In the case of converting suitable circuit (such as transformer) of voltage and current between processing module and load, it can be used single Electric power is powered to both processing module and load.
Ammeter 405,425a, 425b, 445 and 465 are supplied to load 406,426a, 426b, 446 and for measuring respectively 466 magnitude of current.When enabling relay 403,423a, 423b, 443 and 470, respective load 406,426a, 426b, 446 With 466 electric power will be received from supply of electric power 413,433,453 and 483 respectively.Relay 403,423a, 423b and 443 are by corresponding The respective handling unit of processing module 402 controls.Relay 470 is controlled by relay 463, and relay 463 is by electric power controller The processing unit of 461 processing module 402 controls.When enabling relay 463, will from electric power 485 via relay 470, after Electric appliance 463 and ground 486 form closed loop, and relay 470 is caused to be activated.Electric power 485 can be identical as electric power 483 or not Together.Depending on the relay for relay 470, if replacing electric power 485 using electric power 483, transformer may be needed, because It may be different from load 466 for the voltage and current types entail of relay 470.There are two relays for tool as illustrated in Fig. 4 D The benefit of device is to allow preferable safeguard protection.
A difference between electric power controller 401,421,441 and 461 is the position of relay and ammeter.The present invention The position of relay and ammeter is not limited.Relay and ammeter can be contained in processing module as illustrated in figures 4 a-4b In 402 same enclosure or in the distinct device as illustrated in Fig. 4 C-4D.It in figure 4 c, will when enabling relay 443 Closed loop is formed from electric power 453 via relay 443, ammeter 445 and ground 454, and electric current flowing passes through load 446. In an example, it is preferred that when shell is placed on outdoor, processing module, relay and ammeter are contained in identical In waterproof case, for preventing leak and reducing maintenance cost.
In the embodiment of Fig. 4 B, processing module 402 can control one or more relays, and in Figure 1A, 1B and 2A Embodiment it is identical.
Fig. 4 E illustrate the modification of shell 480.Shell 480 has switch 491, for when providing power to load 466 Extra safety and flexibility are provided.There are three states for the tool of switch 491.First state does not interfere the control from relay 463 System.Whether the second state will form closed loop to enable relay 470, when enable or enable but regardless of relay 463.The Two-state allows load 466 to receive electric power, the decision made but regardless of the processing unit by electric power controller 461.This is in electric power Controller 461, which breaks down and loads 466, urgently to be needed in the case of electric power to be desirable.The third state will generate disconnected Road is to deactivate relay 470, whether enabling but regardless of relay 463.The cut-out of this third state provides the electric power to load 466, The decision made but regardless of the processing unit by electric power controller 461.This is in the case where load 466 draws excessive electric power suddenly Or it there are fire or danger and needs in the case of manually and/or mechanically disconnecting electric power to be desirable.It is excellent Choosing, switch 491 can be accessed on the side of shell 480 to allow easily to access.
In a variant, using Fig. 6 C illustrated in process, relay 463 is enabled, although load is 466 unscheduled To provide a large amount of electric currents to load.The low current provided by supply of electric power 490 allows load 466 operable.For example, it loads 466 be unscheduled charger of electric vehicle.When the magnitude of current measured by ammeter 465a be no more than desired amount when, enable after Electric appliance 463.When the magnitude of current measured by ammeter 465a is more than prospective current, by deactivated relay 463.Even if this permission is worked as When not having vehicle just to charge, unscheduled charger of electric vehicle also receives electric power for other than for electric vehicle charging Operation.
Fig. 5 A illustrate one in the embodiment of the present invention.Electric power controller 501 is the change of the electric power controller 461 of Fig. 4 D Type.Interface 502 is direct or is connected to processing module 402 via bus.Interface 502 via electric wire or can be wirelessly connected to One or more devices are used for many operations, including verification, data exchange, environmental surveillance, image capture, video capture, audio Capture, Speech Communication, video communication and safety.Also each electric power controller is not present, and there is only the limitations of an interface.It lifts For example, electric power controller 501 can have multiple interfaces 502 so that and an interface is used for via bluetooth and mobile phone communications, And an interface is used for via RS-232 and temperature sensor communication.Also be only used for separate housing there is no interface 502 or The limitation of the electric power controller of two relays.The other electric power controllers discussed in the present invention can also have for being connected to one One or more interfaces of a or multiple devices.
Fig. 5 B illustrate one in the embodiment of the present invention.PCS 511 is the modification of the PCS 310 of Fig. 3 A and Fig. 3 D.It connects Mouth 512 is direct or is connected to processing unit 366 via data/address bus 369.Interface 512 is similar in a wired or wireless fashion It is connected to the interface 502 of one or more devices and function is provided and is worked.Also PCS 511, which is not present, can only have there are one connecing The limitation of mouth 512.
In an example, using Fig. 6 A illustrated in process, the device for being connected to interface 502 or interface 512 is to read Device is taken, the Electromagnetic Launching of password card or mobile device can be read, including radio frequency identification (RFID) technology, Bluetooth technology and near field (NFC) technology of communication.For purposes of illustration, when user attempts to provide power to load 466, user needs his logical Row card, RFID or mobile device are positioned to close to the reader for being connected to interface 502.When reader from the password card of user, When RFID or mobile device read information, the identity information in password card, RFID or mobile device is transmitted to electric power controller 501 Processing unit.At step 602, processing unit determine whether user preengage current time gap for receive for load 466 electric power.If user has preengage current time gap, processing unit will be determined at step 606 just drawing it is total Whether the magnitude of current is less than first threshold.If the total electricity just drawn is less than first threshold, step 608 will be executed.Cause This, processing unit is according to scheduler server identity-based information, current time gap and the total electricity determination just drawn Whether relay 463 is enabled to dispatch charger of electric vehicle respectively and provide power to load 466.Therefore, in this example In, step 602 is modified to include another condition：Authentication server verifies the identity of user via interface 502.
In a variant, no matter user whether subscription time gap, as long as having the instruction from authentication server Electric power controller processing unit (i) can be based on user password card, RFID or mobile device verify user, and (ii) is just The total electricity drawn is less than first threshold, will just execute step 608.This urgently needs to provide power to load in user Flexibility is provided in the case of 466.For example, the battery of the electric vehicle of user will be exhausted and urgently be needed via electricity Dynamic vehicle charger (it is load 466) charging.
In a variant, in the case of the embodiment of Fig. 5 B, user needs his password card, RFID or mobile dresses It is set to close to the reader for being connected to interface 512.User it may also be desirable in electric vehicle respectively from authentication server It is one for receiving in the load 302 of selection as illustrated in fig. 3 a after verifying and dispatch with scheduler server Electric power.For example, PCS 511 is positioned at outside the management office in parking lot, needs the parking sky for providing power to him Between user his mobile phone to be enabled with NFC will be gently swept to the reader for being connected to interface 512, with authentication vs. authorization electricity The offer of power.If the total electricity just drawn is less than first threshold, step 608 will be executed.User can be needed to input him Parking space or charger of electric vehicle identity so that PCS 511 can identify the electric power controller that will communicate with The correspondence relay for enabling scheduled charger of electric vehicle provides electric power to corresponding load.In a variant, it needs Want user that his electric vehicle is parked at his specified parking space；Therefore PCS is empty according to storage Association Identity and parking Between unpaired message database have about parking space identity Advanced information.User need not will then input his stop The identity of vehicle space or charger of electric vehicle.In a variant, parking space or charger of electric vehicle information are by PCS 511 administrator's input.
In a variant, such as the imaging devices such as camera or video camera are connected to interface 502 or 512.Imaging device The image or video of the license plate numbers of electric vehicle that are parked in parking space or are charged by charger of electric vehicle can be captured For verifying purpose.If the total electricity just drawn be less than first threshold, the entries match of license plate numbers and database, And if there is available current time gap, then the processing unit of electric power controller or PCS will enable correspondence in step 608 Relay to provide power to corresponding charger of electric vehicle.Otherwise, charger of electric vehicle is not provided power to. In a more detailed example, warning will be sent to the owner or the parking lot management office of parking space to take into one Walking is dynamic, such as electric vehicle is removed.In a variant, it is used instead of in capture license plate numbers, imaging device can be used for capturing The face or password card at family or the information of mobile device are for the identical verifying purpose of execution.
In a variant, reader, which can wirelessly be read, is positioned in electric vehicle or is mounted on electric vehicle On label.By reading label, the processing unit or PCS of electric power controller can perform verification process and just drawn with determining Total electricity is less than under conditions of first threshold, and whether electric vehicle should be in specific time gap in specific electric vehicle charging It charges at device.If should be electric vehicle charging, the relay corresponding to charger of electric vehicle will be enabled.
The row C and D of time scheduling program 800 can be used for illustrating verifying the importance of user.For purposes of illustration, for Monday, user " Joe325 " and " martin101 " preengage same time gap 14:00-15:00 for being its electric vehicle Charging.If there is enough electric power to be supplied but only available charger of electric vehicle is located at load 102a, then user " martin101 " should use charger of electric vehicle than user " Joe325 " with higher priority, because of user The priority of " Joe325 " is minimum.For purposes of illustration, load 466 is identical as load 102a.If user " Joe325 " is Himself is verified via the reader for being connected to interface 502 and attempt via the electric vehicle charging at load 466 with password card Device is his electric vehicle charging, then electric power should not be provided, because electric power controller 501 does not enable relay 463.If with Family " Joe325 " holds over the charger of electric vehicle positioned at the places load 102a, then can alert management person it is further to take Action, including the electric vehicle of user " Joe325 " is dragged away.This ensures user " martin101 " relative to user " Joe325 " It is his electric vehicle charging with higher priority.In a variant, if user " martin101 " is 14:Before 15 Himself is not yet verified, then he will lose his priority, and user " Joe325 " can begin to use load 102a.It is not present It is within 15 minutes the limitation of the deadline date before losing priority.Such as period other times such as five minutes or 30 minutes is available In determining when user " martin101 " will lose his priority.
In a variant, interface 502 or 512 is connected to one or more sensors, including temperature sensor, humidity pass Sensor, smoke detector and fire detector.Because the electricity of offer to load may be larger and may lead to danger, can Environment is monitored to prevent dangerous and/or detection dangerous using sensor.For example, when the temperature is high, it say about 70 Degree Celsius when, the risk of fire hazard becomes larger, especially load and sensor be positioned in same enclosure or be close together when. High temperature generally means that poor heat dissipation and/or larger power consumption.The processing unit or PCS of electric power controller can regardless of when Between dispatch and the total electricity whether just drawn is less than first threshold, it is determined whether deactivate or do not enable corresponding relay to stop Only provide power to load.Therefore, at step 604 and 606, additionally using the reading from sensor to consider whether to stop With any relay and whether enable additional relay.In another example, when detecting fire or smog by detector, Information is via interface 502 or 512 and is then sent to processing unit via data communication module with alert management and fire department. In addition, by being stopped to proximity test to the one of the position of fire or smog by the processing unit of corresponding electric power controller and PCS The supply of electric power of a or multiple loads.
Fig. 9 A illustrate based on the embodiment illustrated in Fig. 4 D according to an embodiment of the invention in one.Shell 480 Via electric wire 485 and 486 electric power is received from supply of electric power 490 via transformer 901.The specified of transformer 901 depends on relay The requirement of device 470.For example, if relay 470 needs the electric power input of 20V AC, transformer 901 that should be able to incite somebody to action Voltage from supply of electric power 490 is transformed into 20V AC so that relay 470 uses.If relay 470 needs the electricity of 5V DC Power inputs, then transformer 901 should be able to convert the voltage into 5V DC so that relay 470 uses.With transformer 901 Benefit is to depend on a common power source for both relay 470 and load 466.Power supply adaptor 920 will also come from electric power The voltage of supply 490 is transformed into required voltage and current type so that electric power controller 461 uses.In addition, power supply adaptor 920 Electric power controller 461 can be connected to router 922 via normal electric wire by using communication technologys such as such as HomePlug. Electric wire 981 and 982 is for providing power to electric power controller 461.Connection 921 for data communicate, such as Ethernet and WLAN.Therefore, the data communication module of processing module 402 can be via internet 923 via power supply adaptor 920 and router 922 transmit data to remote server 924 and receive data from remote server 924.Remote server 924 is similar to as schemed Server 1005 illustrated in 10A and further include scheduler server and authentication server.Use such as HomePlug Etc. technologies benefit be reduce build individually wired or wireless communication infrastructure data framework for controlling relay 470 and from electric current Table 465a reads the needs of electric current service condition.
Fig. 9 B illustrate based on the embodiment illustrated in Fig. 4 D according to an embodiment of the invention in one.Similar to figure Embodiment illustrated in 9A, shell 480a are received via transformer 901a from supply of electric power 490 via electric wire 485a and 486a Electric power.Electric power controller 961a is similar to electric power controller 461, but can be via mobile communication such as such as 2G, 3G, 4G and LTE Technology emits and receives data.SIM card slot 932a can accommodate SIM card for mobile communication.Use mobile communication technology One benefit, which is it, allows flexible deployment.For example, charger of electric vehicle, which can be mounted on, is likely difficult to use wire communication skill In the remote zone of art connection.Charger of electric vehicle is allowed to be located at substantially any place using mobile communication technology, as long as depositing Sufficient supply in electric power and mobile communication covering.
Main purpose with supply of electric power enabler 940 is to enable the supply of electric power with rest position A to position B.Position Set the distance between supply of electric power 490 and position B on the left of A may it is longer and incur danger situation or notified occur electric power steal It takes.Accordingly, it is desirable to should not provide power on the right side of the A of position and load 966a until having makes from supply of electric power The instruction of energy device 940 done so.This is for being typically connected to larger supply of electric power and being easier to the electric vehicle charging accessed Device is even more important.
The design of supply of electric power enabler 940 is similar to electric power controller 461a.Processing module 941 is according to via processing mould The instruction that data communication module in block 941 receives enables or deactivated relay 943.As enabling relay 943,463a and 470a When, load 966a then can start to receive electric power.In a variant, even if relay 463a and relay 470a cannot be opened With processing module 941 can also enable relay 943, to provide sufficient electric power to electric power controller 961a or to accommodate electric power The charger of electric vehicle of controller 961a is for other operations.However, if there are electric power to let out between position A and position B The chance that electric power is stolen between leakage or existence position A and position B, then this may result in danger.Ammeter 942 is measured by electricity The magnitude of current of 490 supply of power supply.Based on the magnitude of current supplied, whether processing module 941 can detect the electric current that is just drawing Higher than specified amount.If burglar attempts the electric wire larceny electric power between position A and position B, the magnitude of current drawn will It is allowed to the amount drawn more than the electric power controller 961a and load 966a just drawn.For example, when there is no load, by electricity The magnitude of current that force controller 961a and transformer 901a are drawn may be up to 0.5A.Including due to the resistance between position A and position B And the electric power lost, the total electricity just drawn when not loading may be up to 1.0A.When relay 463a is not by processing module When 402a is enabled but is about 5A by the electric current just drawn from supply of electric power 490 that ammeter 942 measures, it is most likely that there is leakage Or electric power is just stolen.Therefore, processing module 941 then can be determined whether to deactivate relay 943 to provide power to electric power Controller 961a and load 966a.Similarly, when processing module 402a enabled relay 463a for provide power to it is negative When carrying 966a, for purposes of illustration, permitted maximum current flow is 50A.When ammeter 942 has detected that the magnitude of current is higher than When 50A, processing module 941 then can be determined whether that deactivating relay 943 is prevented.It then can dispatch technique person or engineer To determine the reason of just drawing extracurrent.This can help to detect leakage or stop the theft of electric power.If it is determined that permitted Maximum current flow should be adjusted to high value, then administrator is then adjustable to the value in the instruction of processing module 941.
There is no the limitations that can only connect an electric power controller.Such as more electric power controllers such as electric power controller 961b It can be connected to the right side of position C in Fig. 9 CB.Processing module 402b as illustrated in Fig. 9 CB with as illustrated in Fig. 9 CA Processing module 402a is identical.Electric power 483a and 484a as illustrated in Fig. 9 CA also respectively with the electric power as illustrated in Fig. 9 A 483 and 484 is identical.
In a variant, the magnitude of current and added by loading the magnitude of current that 966a is received that supply of electric power 490 can be supplied Threshold value.It is measured by ammeter 465a by loading the magnitude of current that 966a is received.Processing module 402 is surveyed from ammeter 465a retrieval electric currents Current measurement value is then sent to supply of electric power enabler 940 by magnitude.Because processing module 941 can be via ammeter 942 Determine how many electric current are supplied in supply of electric power 490, so processing module 941 can determine supplied electric current and be connect by loading 966a Difference between the electric current of receipts.If the difference is more than threshold value, it may indicate that electric power is just stolen or leaks, and processing module 941 can send a message to administrator to take correction and prevention action.Processing module 941 can also decide stopping and provide electric power It is stolen or prevent from leaking to stop electric power to load 966a.In the case, message is sent to electric power controller 961a to refer to Show that electric power controller 961a deactivates relay 463a.In a variant, instead of being read from Electric control in by current measurement value Device 961a is sent directly to supply of electric power 490, and remote server can be used to read current measurement value from electric power controller 961a It is relayed to supply of electric power 490.Remote server can be additionally used in will the dictation trunk from supply of electric power 490 to electric power controller 961a.This can simplify designs of the electric power controller 961a to both supplies of electric power 490.Electric power controller 961a, supply of electric power 490 Communication between remote server can be respectively by electric power controller 961a, the data of supply of electric power 490 and remote server Communication module executes.
In a variant, when the difference is more than threshold value, the instruction for deactivating relay 463a is not sent immediately.Because negative It carries 966a and still receives electric power, so the unexpected of electric power interrupts the damage that may lead to be connected to the equipment at load 966a.It may More it is desirable that deactivating relay 463a after the user of load 966a is warned for the first time, or assign investigator/engineering Teacher investigates the reason of the larger difference.Therefore, message is sent to electric power controller 961a to alert its administrator or user i.e. By the electrically connected of arrival.
In an example, for purposes of illustration, electric power controller 961a is equipped with NFC reader.When user gently sweeps His NFC with verify himself and authority to pay with use load 966a place connection charger of electric vehicle when, enabling after While electric appliance 463a supply of electric power enabler 940 is sent an instruction to via data communication module by electric power controller 961a. The limitation that no instruction must be sent by electric power controller 961a.For example, described instruction can receive in PCS and come from electric power It is sent by PCS after the message of good authentication and the approval payment of controller 461.Then, instruction is sent to supply of electric power by PCS Enabler 940.
Remote server also can be used from supply of electric power enabler 940 and electric power controller 961a to receive message and by message It is sent to supply of electric power enabler 940 and electric power controller 961a so that supply of electric power enabler 940 and electric power controller 961a Not direct communication each other.This can simplify the design of supply of electric power enabler 940 and electric power controller 961a and also improve safety Property.PCS can be used as remote server.
When instruction is received by processing module 941, processing module 941 enables relay 943 and electric power becomes the right side of position A Side is available.Because relay 463a is enabled, load 966a will start to receive electric power.
In a variant, not only monitor the magnitude of current just used by load to keep for safety purposes using ammeter Just by all total electricities drawn that load in threshold value, and for monitoring the magnitude of current just used by load for payment Purpose.For example, when load is charger of electric vehicle, electric vehicle can be parked at parking space and via electric vehicle The charging of charger.The electricity consumed by electric vehicle can be determined based on the monitoring result of ammeter.Such as the technology of fields Personnel will be understood that institute's power consumption is that voltage is multiplied by electric current hourage.For example, user has verified that himself and mandate PCS continues three hours of 30A electric currents under 220V via charger of electric vehicle for his electric vehicle charging.Power consumption will be Three hours are multiplied by 30A and are multiplied by 220V and obtain 19.8kWh.If spending about one dollar of user, totle drilling cost $ per kWh 19.8 and PCS will charge to correspondingly user.
In another example, being used for may be different in the cost that different time changes.For example, at 9 points in the morning to afternoon 5 The charging price of 1kWh is two dollars between point, and is two dollars and at 8 points in afternoon at 9 points in the morning between at 5 points in the morning at 8 points in afternoon Between be 50 cents.When the electric vehicle owner has charged from 4 points in afternoon at 5 points in afternoon 10kWh and from 5 points in afternoon to afternoon 6 Point charge other 10kWh when, for the total cost of the owner will be 10kWh be multiplied by 1 dollar/kWh plus 10kWh be multiplied by 2 dollars/ kWh.This is illustrated continually or even continuously from a benefit of ammeter standby current amount.Ammeter for paying purpose Use exclude to use ammeter, and generate the relatively low total operating cost and manufacturing cost of electric power controller and/or PCS.
There is no ammeters should be directed to the limitation that DC or AC is designed.Preferably, ammeter can measure DC and AC electric currents The two is so as to compatible with more charger of electric vehicle.
In a variant, if there is sufficient current and electric power to supply to all loads simultaneously, then in Fig. 1-5 and 9 Ammeter is not needed in embodiment described.Risk with the danger due to overload has reduced, illustrated in fig. 6 The first threshold discussed in the process becomes unimportant.Therefore, the total electricity that monitoring is just being drawn needs also to reduce.However, If the operator of electric power controller, PCS or electric vehicle charging mechanism want to collect income based on consumed electricity, also Need ammeter.In a variant, instead of in using ammeter, ammeter measurement can be used just to charge in the electric vehicle of user When by he consume electricity.For example, ammeter 465 and 230 can be replaced by ammeter.
Figure 10 A illustrate according to an embodiment of the invention in one.User 1008 can be via internet 1006 in server It is made at 1005 using one reservation in load 1002.In a variant, user 1008a, 1008b and 1008c can lead to Spend using user input interface period input time in time gap 804.1007 management server 1005 of administrator and electric power Controller 1001.Electric power controller 1001 is connected to internet 1006 via the data communication module of its own.Electric power controller 1001 are connected to load 1002a, 1002b and 1002c.Load 1002a as illustrated in Figure 10 A, Figure 10 B and Figure 10 C, 1002b, 1002c are identical as load 102a-102f as illustrated in FIG. IA.For load 1002 in each, exist by Electric power controller 1001 controls the relay for allowing or refusing to supply power to load.Interface 1010 is executed to be discussed with relatively early The interface 502 the stated function similar with 512.User 1008 can be ready to use via the device for being connected to interface 1010 negative at it Its own and authority to pay are verified when carrying 1002.For example, user 1008a can be connected to interface 1010 by abutting against NFC reader places his personal NFC device to verify its own.In addition, interface 1010 may be connected to for monitoring environment One or more sensors.Server 1005 can perform several functions, including logical with parking lot user 1008 and administrator 1007 Believe, is managing reserved, giving a warning message, the one or more electric power controllers 1001 of control, management bill and payment.There is no passes In the limitation of the framework of server 1005.For example, server 1005 can be computer server, laptop computer, platform Formula computer, Cloud Server, smart phone or any other electronic device that can be communicated to internet.When there are different locations When place (such as the different parking lots of city or country within the border) is more than an electric power controller 1001, user 1008 can utilize Server 1005 makes the reservation of the charger of electric vehicle for being connected to the corresponding charger at different location.
Figure 10 B illustrate according to an embodiment of the invention in one.Embodiment illustrated in Figure 10 B is similar to Figure 10 A Illustrated in embodiment.Electric power controller 1003 only controls a load.Interface 1011 can be used for making respective load Verification and for being connected to one or more sensors.In electric power controller 1003 each individually via its from The data communication module of body is connected to internet 1006.
This allows the bigger flexibility compared with the embodiment illustrated in Figure 10 A.However, administrator may need to expend More energy increases the electric power controller 1003 of number to manage.In addition, if electric power controller 1003 is via mobile data (example Such as 2G, 3G, 4G and LTE) it is connected to internet 1006, then the number of the SIM card needed for electric power controller 1003 is more than electric power The number of SIM card needed for controller 1001.This can cause cost to increase.
Figure 10 C illustrate according to an embodiment of the invention in one.Embodiment illustrated in Figure 10 C is similar to Figure 10 B Illustrated in embodiment.PCS 1020 is added in fig 1 oc.PCS 1020 is directly or (such as wireless via LAN (LAN) LAN) it is connected to electric power controller 1003.PCS 1020 executes the function about PCS 310 of being discussed in Fig. 3 A and Fig. 3 B.This Outside, PCS 1,020 1006 communications can arrive server 1005, user 1008 and administrator 1007 via internet.In an example In, the cellular data communication module of SIM card work of the PCS 1020 equipped with 2G, 3G, 4G or LTE technology of combined use.This Even if allowing the flexible deployment in cable data connectivity not being very compatible region.Electric power controller 1003 can also be through It is communicated with server 1005, user 1008 and administrator 1007 by PCS 1020.This is reduced using for electric power controller 1003 Cellular data communication module needs and generate lower manufacturing cost.Interface 1012 is executable identical with interface 1011 Function.In addition, in an example, when user verifies via the reader for being connected to interface 1012 to PCS 1020；With Family need not execute verification again at corresponding electric power controller 1003.
In an example, when user (such as user 1008a) executes verification or payment authorization, his identity and approval Information is forwarded to server 1005.Authentication server in server 1005 can verify that whether the identity and approval in-formation are true It is real.Inspection result subsequently sends back corresponding PCS or electric power controller.In addition, for example by electric power controller via corresponding electricity The power consumption and be storable at server 1005 using usage records such as the times of load for analyzing that flow table monitors It is formed with profile.Think using loading and consuming electric power in addition, server 1005 can be communicated with payment gateway and send out account to user Single and charge.In a variant, interface 1011a, 1011b and 1011c be respectively by electric power controller 1003a, 1003b and The network interface that 1003c is provided, wherein the network interface can be Ethernet interface, Frame Relay Interface, optical fiber interface, cable Interface, DSL interfaces, token ring interface, serial bus interface, universal serial bus (USB) interface, fire-wire interfaces and peripheral assembly Interconnect (PCI) interface etc..
Figure 11 illustrates what one in the embodiment according to the present invention for server 1005 was executed by server 1005 Process.Process illustrated in fig. 11 uses preferably at vehicle parking mechanism, and the vehicle parking mechanism has multiple electricity Dynamic vehicle charger, wherein electric vehicle can charge when just parking.In an example, all parkings of vehicle parking mechanism Space may be provided with charger of electric vehicle, but since supply of electric power limits, not can be used simultaneously all electric vehicles and fill Electric appliance.The number of chargeable electric vehicle depends on the capacitance of system.If not enough capacitances are to allow to own The multiple charger of electric vehicle is simultaneously electric vehicle charging, then server 1005 will be determined whether enough capacitances Carry out electric vehicle charging for user to allow and dispatch charger of electric vehicle.In another example, vehicle parking mechanism Some but not all parking space may be provided with charger of electric vehicle so that be only parked in equipped with electric vehicle charging At the parking space of device, the electric vehicle parked can be just electrically charged.Therefore, it is necessary to reservation systems to increase electric vehicle charging The service efficiency of device.When being seen in conjunction with Fig. 2A, charger of electric vehicle is connected respectively to load 102 or can correspond respectively to load 102。
Figure 11 should be seen together with Figure 10 A, 10B and 10C.The function of being executed by server 1005 also can by electric power controller or PCS is executed, as long as electric power controller or PCS have processing capacity appropriate, storage device and network connectivity.
Process starts at step 1100.At step 1101, server 1005 attempts verification user, such as user 1008 In one.What user authentication information can be locally stored in server 1005 is locally stored in media or is remotely stored in long-range number According in library or server.If authentication failed, process will terminate at step 1123.
At step 1102, if there is now available charger of electric vehicle, then server 1005 informs user institute State the position of charger of electric vehicle.Therefore, his electric vehicle can be driven to charging parking by user according to given position Space.In a variant, instead of in the position for informing charging space, user can input the position in charging space to server 1005 It sets.
It is negative to provide power to that server 1005 then can indicate that electric power controller or PCS enable corresponding relay It carries.For purposes of illustration, load 102b is attached to the load of scheduled charger of electric vehicle, scheduled electric vehicle Charger is located at charging parking space, and " layer 3 puts 510 " places, and is the position for informing user at step 1105, then services The message for enabling relay 103b is sent to electric power controller 201 by device 1005.When his electric vehicle is connected to by user When scheduled charger of electric vehicle, electric vehicle then can start to charge up at step 1109a.It is complete at step 1119 At charging, server 1005 can be by the electric current that is just being drawn by respective load (i.e. charger of electric vehicle, such as load 102b) Amount determines whether to complete charging.For purposes of illustration, when there is no electric vehicle just to charge, before executing step 1109a Just it is about 0.5A by the magnitude of current that charger of electric vehicle is drawn.During step 1109a, the magnitude of current just drawn will be more than 0.5A, such as 1A to 50A.When charging is complete, the magnitude of current will fall back to about 0.5A.Therefore, server 1005, Electric control Device 201 and/or PCS can determine charging complete at step 1119.In a variant, due to making early in step 604 place Go out many reasons discussed when decision, stops charging electric vehicle underfill electricity.In a variant, since the time is pre- About expire and stops charging.For example, user only preengages 30 minutes, and passes by within 30 minutes but electric vehicle still underfill Electricity.In a variant, stop charging due to money deficit in the account of user or pre-approval payment.
At step 1120, the magnitude of current and payment amount that server 1005 is just being used to user report.The report can It is executed by sending SMS, electronic information, transmission Email or mailing mail to user.
When no available charger of electric vehicle, server 1005 will inform the user that lack charger of electric vehicle and Pot life gap for reservation is provided.There is no had to carry out when available without the charger of electric vehicle for charging The limitation of step 1106.When user be not intended to immediately use charger of electric vehicle when, step 1106 can also step 1101 it After execute.At step 1107, inquire whether he wants subscription time gap to user.If he is not intended to subscription time sky Gap, then process will terminate at step 1123.If necessary to time gap, then he can at step 1108 subscription time it is empty Gap.Reservation can follow the description as described in time scheduling program 800.Therefore, also allow priority.
When detecting charging complete at step 1118, the corresponding relay of charger of electric vehicle can be by Electric control Device or PCS deactivate so as not to allow charger of electric vehicle to be used by another electric vehicle or by another user.This ensures user It will correctly pay according to the electricity just used.In a variant, instead of deactivating relay after charging, allow to draw The magnitude of current can be re-set into the level that no electric vehicle is just charging.For purposes of illustration, before completing charging at step 1119, It is 50A to allow the magnitude of current drawn.After step 1119, the magnitude of current drawn is allowed to be configured to 0.5A, ought to be no longer The magnitude of current that charger of electric vehicle consumes when electric vehicle charging.If detecting that the magnitude of current just drawn is more than 0.5A, that The corresponding relay of charger of electric vehicle will deactivate.
Figure 13 be based on Figure 11 and also explanation according to for one in the embodiment of the present invention of server 1005 by The process that server 1005 executes.It will not be described in detail about step 1100-1102,1104-1108,1119-1120 in this embodiment With 1123 description because it is described more already.For ease of reading, the description as described in process illustrated in fig. 13 follows Figure 11 Illustrated in during the example that describes.At step 1103, user may be selected how his electric vehicle will charge.User Fully charged, time-based charging may be selected and based on amount charging.When selecting fully charged, charging process will be until electric vehicle The report charging complete of fully charged or charger of electric vehicle just stops.When selecting time-based charging, when metering period knot Charging process will stop when beam.For example, if user has selected to fill for his electric vehicle for 3 points from 2 pm to afternoon Electricity.Charging process will 3 points of stoppings later in the afternoon.When user's selection is based on amount charging, charging process will be in provided electricity Stop when having reached predefined amount.For example, user can define amount of power (such as up to 500kWh) or the cumulative cost (example of institute Such as it is up to $ 50).When it is 50 that scheduled charger of electric vehicle, which has delivered 500kWh or cumulative costs, charging process will stop Only.
There is no the limitations for selecting only charge for fully charged, time-based charging and based on amount.For example, Can be another selection for the bid of charging parking space.Also it must include all three fully charged, bases that the selection, which is not present, In time-based charging and based on the limitation for measuring charging method.For example, administrator can only allow time-based charging and based on amount Charging method.In another example, even if when three charging methods are available, due to the profile of user or from other users Demand can also provide a user one or two of these charging methods.
At step 1109b, server 1005 determines whether charging has started.Server 1005 can be for electric power controller Whether 201 execution electric power have been provided the inquiry of load 102b.If without the electric power just provided, this instruction charging process Not yet start and be likely to user not yet to reach charging parking space.If after the first time limit, for example, two to ten minutes it The electric power to load 102b is provided still without positive afterwards, then warning is sent to user to carry by server 1005 at step 1111 Waking up, he/her originates the delay of charging process.Server 1005 can also remind the position of user's charger of electric vehicle necessary with him Remaining time quantum before beginning charging process.Remaining time quantum preferably in the range of one minute to 15 minutes so as to More efficiently using electric vehicle charging mechanism without causing many pressure to user.Once the remaining time at step 1112 Amount has expired and charging process does not start yet, and server 1005 will cancel reservation at step 1113.User will be another up to making One reservation (only just will dispatch charger of electric vehicle for him at this time) can be at electric vehicle stop and release mechanism using any Unscheduled charger of electric vehicle.
There is no the limitations that step 1109b-1112 must be executed after step 1102.User after the validation may be It is incited somebody to action through knowing the position of charger of electric vehicle and his electric vehicle may have been selected during reservation at step 1108 How to charge.In addition, if user not yet verifies in about subscription time or is used at electric vehicle charging mechanism electric vehicle Charger, then user also can be transmitted with his institute of prompting in the alert messages such as alert message sent out similar to step 1111 place State reservation.
It is sent to user using the step 1115-1117 message that determines when will to be near completion at step 1122.It is described to be To complete message will be sent to user by server 1005 in step 1122 at the following time：(i) vehicle has been selected in user In the case of fully charged, electric vehicle i.e. will be fully charged, and (ii) is counted in the case where user has selected time-based charging The expense period closes to an end, (iii) is up to selected electricity or predetermined in the case where user has selected based on amount charging The payment of justice.
The message that is near completion is for reminding user that charging process is near completion.Therefore, user can go to electric vehicle charging Device leaves his electric vehicle driving.If there is the demand for charger of electric vehicle, this is desirable.It is mobile Any delay of the electric vehicle of user all may bring inconvenience and/or reduce income to next user and generate chance.It is not present Reach the limitation of threshold value before transmission is near completion message.Preferably, it sends early enough and is near completion message so that user Reach charging parking space soon after charging complete.For example, server 1005 can charging complete first five to ten The message that will be near completion for five minutes is sent to user.
At step 1121, user is completed message sending to inform that charging process is completed.It is sent completely the purpose of message It is identical as the transmission message that is near completion.
There is no the limitations for having to carry out step 1122 and 1121.Step 1122 and 1121 is optional.In a modification In, user may choose whether the message sent in receiving step 1122 and 1121.In a variant, instead of in send message, Other means of communication can be used.For example, it can be opened close to the lamp of load 102b or electric power controller 201.In a modification In, the device displaying that can be controlled by server 1005 or broadcasting lamp, video, image, audio, music, song or sound are to indicate The process of charging process.
There is no the limitations that electric power controller or PCS must be implemented in independent electronic device.For example, electric power control Device or PCS processed can be the elements of charger of electric vehicle.In another example, electric power controller or PCS can be that networking is set Standby element is realized by networked devices.
In a variant, supply of electric power 490 provides power to more than one electric power controller or PCS.Load 966a It is connected in parallel respectively with 966b, electric power controller 961a and 961b and transformer 901a and 901b.So that supply of electric power 490 can Load 966a and 966b is provided power to simultaneously.In addition, for example, if electric power controller 961a breaks down, Electric power controller 961b is unaffected and electric power stills provide load 966b.Can also it apply the embodiment to prevent electric power It steals or leaks.When the total electricity measured by ammeter 942 can not more than the total current measured by ammeter 465a and 465b When the amount of tolerance, there are power leakage or just stolen larger probability.In the case, processing module 941 will then deactivate after Electric appliance 943 is to stop providing power to load both 966a and 966b.In a more detailed example, processing module 941 is also Electric power controller 961a and 961b is sent a message to respectively to deactivate relay 463a and 463b.Processing module 941 can also divide Emergency personnel or investigator are sent, and they can investigate the reason of just drawing excessive magnitude of current behind.
The level of intolerable amount is based primarily upon the expected total electricity drawn by load.For example, when electric power control Electric power controller 961b has enabled relay 463b for providing power to while device 961a processed has deactivated relay 463a When loading 966b, it is contemplated that total electricity to be drawn is the magnitude of current drawn by loading 966b.The water of the intolerable magnitude of current Flat should be more than the approximate percent for expecting the total electricity drawn or the power consumption amount about 5% to 15% due to resistance in advance. For purposes of illustration, if being 30A by the magnitude of current that ammeter 465b is measured, the level of intolerable amount can be set It is the 10% of 30A at about 3A.When the magnitude of current measured by ammeter 942 is more than 33A, processing module 941 will be deactivated then Relay 943 is to stop providing power to load both 966a and 966b.The level of intolerable amount may also be set to often Number, such as 10A.
Description of the drawings
Figure 1A is to illustrate to be contained in electric power control according to the relay for being connected to load in the present invention in embodiment one Block diagram inside device processed.
Figure 1B is to illustrate to be contained in electric power control according to the relay for being connected to load in the present invention in embodiment one Block diagram outside device processed.
Fig. 2 is to illustrate to be contained in electric power according to the multiple relays for being connected to load in the present invention in embodiment one Block diagram outside controller.
Fig. 3 A be illustrate according to an electric power controller in the present invention in embodiment one control a relay with Supply power to the block diagram of a load.
Fig. 3 B be according to an embodiment of the invention in one electric power controller block diagram.
Fig. 3 C be according to an embodiment of the invention in one electric power controller another block diagram.
Fig. 4 A are the circuit diagrams for implementing electric power controller in a practical circuit for illustrate the present invention.
Fig. 4 B are the circuit diagrams for implementing electric power controller in another practical circuit for illustrate the present invention.
Fig. 4 C are the circuit diagrams for implementing electric power controller in another practical circuit for illustrate the present invention.
Fig. 4 D are the circuit diagrams for implementing electric power controller in another practical circuit for illustrate the present invention.
Fig. 4 E are in illustrate in an embodiment of the present invention one for providing additional peace when providing electric power to load The circuit diagram of one modification of full property and flexibility.
Fig. 5 A are the circuit diagrams of a modification of the electric power controller in illustrate in an embodiment of the present invention one.
Fig. 5 B are the frames of a modification of the electric power controller server in illustrate in an embodiment of the present invention one Figure.
Fig. 6 A are the flow charts for the process for illustrating multiple embodiments according to the present invention.
Fig. 6 B are in illustrate in an embodiment of the present invention one if the total electricity just drawn by electric power controller One or more relays are then deactivated higher than second threshold to reduce the flow chart of the process of drawn total electricity.
Fig. 6 C are another flow charts for the process for illustrating multiple embodiments according to the present invention.
Fig. 7 is another flow chart for the process for illustrating multiple embodiments according to the present invention.
Fig. 8 is the time scheduling journey for being created or being received by electric power controller in illustrate in an embodiment of the present invention one One table in the format of sequence.
Fig. 9 A be illustrate based on the embodiment illustrated in Fig. 4 D according to an embodiment of the invention in one circuit Figure.
Fig. 9 B be illustrate based on the embodiment illustrated in Fig. 4 D according to an embodiment of the invention in one another Circuit diagram.
Fig. 9 C are one another circuit diagrams in illustrating according to an embodiment of the invention.
Figure 10 A are to illustrate how a middle user in an embodiment of the present invention can do at server via internet Go out reservation to use one block diagram in load.
Figure 10 B are to illustrate how a middle user in an embodiment of the present invention can do at server via internet Go out reservation to use one another block diagram in load.
Figure 10 C are to illustrate how a middle user in an embodiment of the present invention can do at server via internet Go out reservation to use one another block diagram in load.
Figure 11 is the flow chart of a process executed by server in illustrating according to an embodiment of the invention.
Figure 12 is another flow chart of a process executed by server in illustrating according to an embodiment of the invention.
Figure 13 is a flow based on Figure 11 processes executed by server in illustrating according to an embodiment of the invention Figure.

Claims (20)

1. side of the one kind for dispatching supply of electric power to multiple electric vehicles (EV) charger at supply of electric power enabler (PSE) Method, wherein each in the multiple EV chargers is connect with an electric power controller respectively, the method includes following steps Suddenly：
A) measured value for the magnitude of current supplied via multiple electric power controllers is received respectively；
B) total electricity for determining supply, is supplied wherein the total electricity of the supply is not less than via multiple electric power controllers The summation of the magnitude of current；
C) value of the first current threshold is adjusted according to scheduler program；
D) when the total electricity of the supply is higher than first threshold；
I. it selects to wait for deactivated one or more electric power controllers；
Ii. deactivated message is sent to each waited in deactivated one or more electric power controllers, wherein described stop It is used to indicate with message and described waits for that deactivated one or more electric power controllers deactivate its corresponding relay；
E) when the total electricity of the supply is less than second threshold；
Iii. one or more electric power controllers to be enabled are selected；
Iv. one or more electric power controllers to be enabled are enabled；
V. each that message is sent in one or more electric power controllers to be enabled will be enabled, wherein the enabling Message is used to indicate one or more electric power controllers to be enabled and enables its corresponding relay.
2. according to the method described in claim 1, it further comprises determining supply before executing step d (i) and e (i) The expected of total electricity changes.
3. according to the method described in claim 1, wherein via the survey of the magnitude of current of the multiple electric power controller supply Magnitude is sent by the multiple electric power controller via wireless communication technique respectively.
4. according to the method described in claim 1, the wherein described deactivated message contains deactivated threshold value, wherein waiting for deactivated electric power control Device processed deactivates its relay when the measured value for the magnitude of current supplied via the electric power controller is more than the deactivated threshold value.
5. according to the method described in claim 1, the wherein described deactivated threshold value is more than to wait for deactivated electric power controller via described The measured value 5% to 15% of the magnitude of current of support.
6. according to the method described in claim 1, the wherein described step c is based essentially on the expected power consumption drawn and scheduling Program and execute.
7. according to the method described in claim 1, the total electricity of the wherein described supply is in secure threshold.
8. according to the method described in claim 1, wherein corresponding relay includes the first relay and the second relay, and its Described in the second relay controlled by first relay.
9. according to the method described in claim 8, the wherein described enabling message is sent after user experience card.
10. according to the method described in claim 1, the wherein described electric power controller has SIM card slot.
11. one kind to multiple electric vehicles (EV) charger at supply of electric power enabler (PSE) for dispatching supply of electric power System, wherein each in the multiple EV chargers is connect with an electric power controller respectively, the system comprises：
One or more storage media, are used to store pending program instruction；
One or more network interfaces are used to send instruction via cordless communication network；
One or more processing units are used to execute program instructions；For carrying out method comprising the following steps：
A) measured value for the magnitude of current supplied via multiple electric power controllers is received respectively；
B) total electricity for determining supply, is supplied wherein the total electricity of the supply is not less than via multiple electric power controllers The summation of the magnitude of current；
C) value of the first current threshold is adjusted according to scheduler program；
D) when the total electricity of the supply is higher than first threshold；
I. it selects to wait for deactivated one or more electric power controllers；
Ii. deactivated message is sent to each waited in deactivated one or more electric power controllers, wherein described stop It is used to indicate with message and described waits for that deactivated one or more electric power controllers deactivate its corresponding relay；
E) when the total electricity of the supply is less than second threshold；
Iii. one or more electric power controllers to be enabled are selected；
Iv. one or more electric power controllers to be enabled are enabled；
V. each that message is sent in one or more electric power controllers to be enabled will be enabled, wherein the enabling Message is used to indicate one or more electric power controllers to be enabled and enables its corresponding relay.
12. system according to claim 11, the processing unit is further operable to execute step d (i) and e (i) determine that the expected of the total electricity of supply changes before.
13. system according to claim 11, wherein described in the magnitude of current via the supply of the multiple electric power controller Measured value is sent by the multiple electric power controller via wireless communication technique respectively.
14. system according to claim 11, wherein the deactivated message contains deactivated threshold value, wherein waiting for deactivated electric power Controller deactivates its relay when the measured value for the magnitude of current supplied via the electric power controller is more than the deactivated threshold value.
15. system according to claim 11, wherein the deactivated threshold value is more than to wait for deactivated Electric control via described The measured value 5% to 15% for the magnitude of current that device is supported.
16. system according to claim 11, wherein the step c is based essentially on the expected power consumption drawn and tune It spends program and executes.
17. system according to claim 11, wherein the total electricity of the supply is in secure threshold.
18. system according to claim 11, wherein corresponding relay includes the first relay and the second relay, and Wherein described second relay is controlled by first relay.
19. system according to claim 18, wherein the enabling message is sent after user experience card.
20. system according to claim 11, wherein the electric power controller has SIM card slot.
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